Home / 1,917,782.12-2,647,534.38-1,400,955.68

Finding the Fourth Proportional to 1,917,782.12, 2,647,534.38 and 1,400,955.68

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Solution

The fourth proportional to 1,917,782.12, 2,647,534.38 and 1,400,955.68 is: 1,934,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,782.12 : 2,647,534.38 = 1,400,955.68 : x
  2. Step 2: Convert to fraction form
    1,917,782.12/2,647,534.38 = 1,400,955.68/x
  3. Step 3: Cross multiply
    1,917,782.12x = 2,647,534.38 × 1,400,955.68
  4. Step 4: Simplify right side
    1,917,782.12x = 3,709,078,329,021.53
  5. Step 5: Solve for x
    x = 3,709,078,329,021.53/1,917,782.12
  6. Step 6: Final answer
    x = 1,934,045.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.